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1. WO2020069293 - IMPEDANCE-BASED VERIFICATION FOR DELIVERY OF IMPLANTABLE MEDICAL DEVICES

Publication Number WO/2020/069293
Publication Date 02.04.2020
International Application No. PCT/US2019/053419
International Filing Date 27.09.2019
IPC
A61N 1/372 2006.01
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
1Electrotherapy; Circuits therefor
18Applying electric currents by contact electrodes
32alternating or intermittent currents
36for stimulation, e.g. heart pace-makers
372Arrangements in connection with the implantation of stimulators
A61N 1/375 2006.01
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
1Electrotherapy; Circuits therefor
18Applying electric currents by contact electrodes
32alternating or intermittent currents
36for stimulation, e.g. heart pace-makers
372Arrangements in connection with the implantation of stimulators
375Constructional arrangements, e.g. casings
CPC
A61N 1/057
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
1Electrotherapy; Circuits therefor
02Details
04Electrodes
05for implantation or insertion into the body, e.g. heart electrode
056Transvascular endocardial electrode systems
057Anchoring means; Means for fixing the head inside the heart
A61N 1/059
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
1Electrotherapy; Circuits therefor
02Details
04Electrodes
05for implantation or insertion into the body, e.g. heart electrode
0587Epicardial electrode systems; Endocardial electrodes piercing the pericardium
059Anchoring means
A61N 1/08
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
1Electrotherapy; Circuits therefor
02Details
08Arrangements or circuits for monitoring, protecting, controlling or indicating
A61N 1/37
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
1Electrotherapy; Circuits therefor
18Applying electric currents by contact electrodes
32alternating or intermittent currents
36for stimulation
362Heart stimulators
37Monitoring; Protecting
A61N 1/37205
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
1Electrotherapy; Circuits therefor
18Applying electric currents by contact electrodes
32alternating or intermittent currents
36for stimulation
372Arrangements in connection with the implantation of stimulators
37205Microstimulators, e.g. implantable through a cannula
A61N 1/37518
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
1Electrotherapy; Circuits therefor
18Applying electric currents by contact electrodes
32alternating or intermittent currents
36for stimulation
372Arrangements in connection with the implantation of stimulators
375Constructional arrangements, e.g. casings
37518Anchoring of the implants, e.g. fixation
Applicants
  • MEDTRONIC, INC. [US]/[US]
Inventors
  • DRAKE, Ronald A.
  • HILPISCH, Kathryn
  • SEIFERT, Kevin R.
  • SCHINDELDECKER, William
  • KOPPES, Stephanie
  • COLIN, Brian P.
  • MATTSON, Alexander R.
Agents
  • PRIEM, David F.
  • BARDELL, Scott A.
  • BARRY, Carol F.
  • MCALLISTER, Greg A.
  • OSTROM, Michael J.
Priority Data
16/146,39128.09.2018US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) IMPEDANCE-BASED VERIFICATION FOR DELIVERY OF IMPLANTABLE MEDICAL DEVICES
(FR) VÉRIFICATION À BASE D’IMPÉDANCE POUR PLACEMENT DE DISPOSITIFS MÉDICAUX IMPLANTABLES
Abstract
(EN)
A device for delivering an implantable medical device (IMD) includes an elongated member and a deployment bay configured to house the IMD, the deployment bay defining a distal opening for deploying the IMD out of the deployment bay. The device includes a first electrode located inside the deployment bay during intravascular navigation, a second electrode, and impedance detection circuitry configured to deliver an electrical signal to a path between the first electrode and the second electrode through at least one of a fluid or tissue of the patient. The device also includes processing circuitry configured to determine an impedance of the path based on the signal and control a user interface to indicate when an impedance of the path indicates that at least one of the IMD or the distal opening is in a fixation configuration relative to the target site of the patient.
(FR)
La présente invention concerne un dispositif pour placer un dispositif médical implantable (DMI) qui comprend un élément allongé et une baie de déploiement configurée pour loger le DMI, la baie de déploiement définissant une ouverture distale pour déployer le DMI hors de la baie de déploiement. Le dispositif comprend une première électrode située à l’intérieur de la baie de déploiement pendant une navigation intravasculaire, une deuxième électrode, et des circuits de détection d’impédance configurés pour délivrer un signal électrique à un trajet entre la première électrode et la deuxième électrode par l’intermédiaire d’au moins l’un parmi un fluide ou un tissu du patient. Le dispositif comprend en outre des circuits de traitement configurés pour déterminer une impédance du trajet sur la base du signal et commander une interface utilisateur pour indiquer lorsqu’une impédance du trajet indique qu’au moins l’un parmi le DMI ou l’ouverture distale est dans une configuration de fixation par rapport au site cible du patient.
Also published as
Latest bibliographic data on file with the International Bureau